Distributing 1000 unique requests across 100 vus

Grafana k6 OSS Support
1

I have a requirement to hit the same endpoint for 1000 ids and I want to execute a single id only once. I could not develop a script that sends 100 requests in parallel, all unique ids.

3

Hi @sajag-incubyte

Welcome to the community forum :wave:

Do you have the IDs, for example, in a JSON or CSV file? If that is the case, you can use a Shared Array to retrieve the data, and then use the k6/execution module to pass the unique data via data parameterization. k6-learn has also a CSV example.

If you can’t apply this to your script, please share it (sanitized).

Cheers!

5

Thanks for the reply. It does solve for the issue partially. The solution proposed here uses math.random to pick the index. Is there a way to sequential run through the list and run each request just once.

7

Hello @sajag-incubyte in the post from @eyeveebe the documentation link provide contains this sample code which should make sequential requests.

see the data parameterization link. the const var_name=dat[scenario.iterationInTest] method is very useful

export default function () {
  // this is unique even in the cloud
  const user = data[scenario.iterationInTest];
  console.log(`user: ${JSON.stringify(user)}`);
}
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9

Thank you very much for this information. You saved me from spending a lot of time debugging and figuring this out.

1 Like